import React from 'react';
import { Dimensions, Platform, PixelRatio, NativeModules } from 'react-native';



const { width } = Dimensions.get('window');

const basePx = Platform.OS === 'ios' ? 750 : 720;


export const Px2Dp = function px2dp(px: number): number {
    const layoutSize = (px / basePx) * width;

    return PixelRatio.roundToNearestPixel(layoutSize);
};

export const yuan = (money) => {
    return (Number(money) / 100).toFixed(2)
}

export const formatDate=(date,fmt)=>{
    var o = {
        "M+" : date.getMonth()+1,                 //月份
        "d+" : date.getDate(),                    //日
        "h+" : date.getHours(),                   //小时
        "m+" : date.getMinutes(),                 //分
        "s+" : date.getSeconds(),                 //秒
        "q+" : Math.floor((date.getMonth()+3)/3), //季度
        "S"  : date.getMilliseconds()             //毫秒
    };
    if(/(y+)/.test(fmt)) {
        fmt=fmt.replace(RegExp.$1, (date.getFullYear()+"").substr(4 - RegExp.$1.length));
    }
    for(var k in o) {
        if(new RegExp("("+ k +")").test(fmt)){
            fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) ? (o[k]) : (("00"+ o[k]).substr((""+ o[k]).length)));
        }
    }
    return fmt;
}
